Module: Dag::Polymorphic

Defined in:
lib/dag/polymorphic.rb

Defined Under Namespace

Modules: PolyEdgeInstanceMethods Classes: EndPoint, Sink, Source

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/dag/polymorphic.rb', line 4

def self.included(base)
  base.send :include, PolyEdgeInstanceMethods
end

Instance Method Details

#conditions_for(source, sink) ⇒ Object

Contains class methods that extend the link model for polymorphic DAGs Builds a hash that describes a link from a source and a sink



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# File 'lib/dag/polymorphic.rb', line 55

def conditions_for(source, sink)
  {
          ancestor_id_column_name => source.id,
          ancestor_type_column_name => source.type,
          descendant_id_column_name => sink.id,
          descendant_type_column_name => sink.type
  }
end